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Zeyer KA, Bornert O, Nelea V, Bao X, Leytens A, Sharoyan S, Sengle G, Antonyan A, Bruckner-Tuderman L, Dengjel J, Reinhardt DP, Nyström A. Dipeptidyl Peptidase-4-Mediated Fibronectin Processing Evokes a Profibrotic Extracellular Matrix. J Invest Dermatol 2024:S0022-202X(24)00260-4. [PMID: 38570029 DOI: 10.1016/j.jid.2024.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/21/2024] [Accepted: 03/13/2024] [Indexed: 04/05/2024]
Abstract
Fibronectin serves as a platform to guide and facilitate deposition of collagen and fibrillin microfibrils. During development of fibrotic diseases, altered fibronectin deposition in the extracellular matrix (ECM) is generally an early event. After this, dysregulated organization of fibrillins and fibrillar collagens occurs. Because fibronectin is an essential orchestrator of healthy ECM, perturbation of its ECM-organizational capacity may be involved in development of fibrosis. To investigate this, we employed recessive dystrophic epidermolysis bullosa as a disease model with progressive, severe dermal fibrosis. Fibroblasts from donors with recessive dystrophic epidermolysis bullosa in 2-dimensional and 3-dimensional cultures displayed dysregulated fibronectin deposition. Our analyses revealed that increase of profibrotic dipeptidyl peptidase-4-positive fibroblasts coincides with altered fibronectin deposition. Dipeptidyl peptidase-4 inhibitors normalized deposition of fibronectin and subsequently of fibrillin microfibrils and collagen I. Intriguingly, proteomics and inhibitor and mutagenesis studies disclosed that dipeptidyl peptidase-4 modulates ECM deposition through the proteolysis of the fibronectin N-terminus. Our study provides mechanistic insights into the observed profibrotic activities of dipeptidyl peptidase-4 and extends the understanding of fibronectin-guided ECM assembly in health and disease.
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Affiliation(s)
- Karina A Zeyer
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany
| | - Olivier Bornert
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany
| | - Valentin Nelea
- Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada; Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
| | - Xinyi Bao
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany; Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Alexandre Leytens
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Svetlana Sharoyan
- H. Buniatian Institute of Biochemistry of Armenian NAS, Yerevan, Republic of Armenia
| | - Gerhard Sengle
- Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany; Center for Molecular Medicine Cologne (CMMC), Medical Faculty, University of Cologne, Cologne, Germany; Department of Pediatrics and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Cologne Center for Musculoskeletal Biomechanics (CCMB), Cologne, Germany
| | - Alvard Antonyan
- H. Buniatian Institute of Biochemistry of Armenian NAS, Yerevan, Republic of Armenia
| | - Leena Bruckner-Tuderman
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany
| | - Jörn Dengjel
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Dieter P Reinhardt
- Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada; Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
| | - Alexander Nyström
- Department of Dermatology, Medical Faculty, Medical Center - University of Freiburg, Freiburg, Germany.
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Ramos-Mejía R, Heath KE, Modamio-Høybjør S, Huckstadt V, Calcagni J, Remondino R, Fano V. Unexpected findings in cervical spine in spondylometaphyseal dysplasia Sutcliff type FN1-related. Am J Med Genet A 2024; 194:e63469. [PMID: 37940834 DOI: 10.1002/ajmg.a.63469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/11/2023] [Accepted: 10/27/2023] [Indexed: 11/10/2023]
Abstract
The autosomal dominant spondylometaphyseal dysplasia Sutcliff type or corner fracture type FN1-related is characterized by a combination of metaphyseal irregularities simulating fractures ("corner fractures"), developmental coxa vara, and vertebral changes. It is linked to heterozygous mutations in FN1 and COL2A1. Vertebral changes as delayed vertebral ossification, ovoid vertebral bodies, anterior vertebral wedging, and platyspondyly have been observed in this condition, while odontoid abnormalities have not been reported. We report an odontoid anomaly in a girl with SMD-CF FN1-related showing the heterozygous variant c.505T>A; p.(Cys169Ser), presenting at 11.9 years of age with acute quadriparesis. Images showed spinal cord compression and injury associated with os odontoideum and C1-C2 instability. She required decompression and instrumented occipitocervical stabilization, suffering from residual paraparesis. This paper describes the first case of SMD-CF FN1-related accompanied by odontoid anomalies.
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Affiliation(s)
- Rosario Ramos-Mejía
- Growth and Development Department, Hospital Garrahan, Buenos Aires, Argentina
| | - Karen E Heath
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UAM, Madrid, Spain
- Skeletal Dysplasia Multidisciplinary Unit (UMDE-ERN BOND), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND), Madrid, Spain
- CIBERER, ISCIII, Madrid, Spain
| | - Silvia Modamio-Høybjør
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UAM, Madrid, Spain
- Skeletal Dysplasia Multidisciplinary Unit (UMDE-ERN BOND), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND), Madrid, Spain
| | | | - Julián Calcagni
- Spinal Pathology Department, Hospital Garrahan, Buenos Aires, Argentina
| | - Rodrigo Remondino
- Spinal Pathology Department, Hospital Garrahan, Buenos Aires, Argentina
| | - Virginia Fano
- Growth and Development Department, Hospital Garrahan, Buenos Aires, Argentina
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3
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Kamp JC, Neubert L, Schupp JC, Braubach P, Wrede C, Laenger F, Salditt T, Reichmann J, Welte T, Ruhparwar A, Ius F, Schwerk N, Bergmann AK, von Hardenberg S, Griese M, Rapp C, Olsson KM, Fuge J, Park DH, Hoeper MM, Jonigk DD, Knudsen L, Kuehnel MP. Multilamellated Basement Membranes in the Capillary Network of Alveolar Capillary Dysplasia. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:180-194. [PMID: 38029923 DOI: 10.1016/j.ajpath.2023.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/12/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023]
Abstract
A minimal diffusion barrier is key to the pulmonary gas exchange. In alveolar capillary dysplasia (ACD), a rare genetically driven disease of early infancy, this crucial fibrovascular interface is compromised while the underlying pathophysiology is insufficiently understood. Recent in-depth analyses of vascular alterations in adult lung disease encouraged researchers to extend these studies to ACD and compare the changes of the microvasculature. Lung tissue samples of children with ACD (n = 12), adults with non-specific interstitial pneumonia (n = 12), and controls (n = 20) were studied using transmission electron microscopy, single-gene sequencing, immunostaining, exome sequencing, and broad transcriptome profiling. In ACD, pulmonary capillary basement membranes were hypertrophied, thickened, and multilamellated. Transcriptome profiling revealed increased CDH5, COL4A1, COL15A1, PTK2B, and FN1 and decreased VIT expression, confirmed by immunohistochemistry. In contrast, non-specific interstitial pneumonia samples showed a regular basement membrane architecture with preserved VIT expression but also increased COL15A1+ vessels. This study provides insight into the ultrastructure and pathophysiology of ACD. The lack of normally developed lung capillaries appeared to cause a replacement by COL15A1+ vessels, a mechanism recently described in interstitial lung disease. The VIT loss and FN1 overexpression might contribute to the unique appearance of basement membranes in ACD. Future studies are needed to explore the therapeutic potential of down-regulating the expression of FN1 and balancing VIT deficiency.
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Affiliation(s)
- Jan C Kamp
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany.
| | - Lavinia Neubert
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Jonas C Schupp
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Peter Braubach
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Christoph Wrede
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany; Research Core Unit Electron Microscopy, Hannover Medical School, Hannover, Germany
| | - Florian Laenger
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Tim Salditt
- Institute of X-Ray Physics, University of Göttingen, Göttingen, Germany
| | - Jakob Reichmann
- Institute of X-Ray Physics, University of Göttingen, Göttingen, Germany
| | - Tobias Welte
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany
| | - Arjang Ruhparwar
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Department of Cardiothoracic, Transplant and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Fabio Ius
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Department of Cardiothoracic, Transplant and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Nicolaus Schwerk
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Clinic for Pediatric Pneumology, Allergology, and Neonatology, Hannover Medical School, Hannover, Germany
| | - Anke K Bergmann
- Institute of Human Genetics, Hannover Medical School, Hannover, Germany
| | | | - Matthias Griese
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital of Ludwig Maximilian University Munich, German Center for Lung Research, Munich, Germany
| | - Christina Rapp
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital of Ludwig Maximilian University Munich, German Center for Lung Research, Munich, Germany
| | - Karen M Olsson
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany
| | - Jan Fuge
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany
| | - Da-Hee Park
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany
| | - Marius M Hoeper
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany
| | - Danny D Jonigk
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Pathology, University of Aachen, Aachen, Germany
| | - Lars Knudsen
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
| | - Mark P Kuehnel
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover, German Center for Lung Research, Hannover, Germany; Institute of Pathology, University of Aachen, Aachen, Germany
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Díaz-González F, Parrón-Pajares M, Lucas-Castro E, Modamio-HØybjØr S, Sentchordi-Montané L, Seidel V, Prieto P, Tarraso-Urios G, Codina-Sola M, Cueto-González AM, Ballesta-Martínez MJ, Santos-Simarro F, Sousa SB, Heath KE. Evolution of clinical and radiological presentations of spondyloepimetaphyseal dysplasia, RPL13-related: Description of 11 further cases. Clin Genet 2023. [PMID: 37121912 DOI: 10.1111/cge.14351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/02/2023]
Abstract
Spondyloepimetaphyseal dysplasia (SEMD), RPL13-related is caused by heterozygous variants in RPL13, which encodes the ribosomal protein eL13, a component of the 60S human ribosomal subunit. Here, we describe the clinical and radiological evolution of 11 individuals, 7 children and 4 adults, from 6 families. Some of the skeletal features improved during the course of this condition, whilst others worsened. We describe for the first time "corner fractures" as a feature of this dysplasia which as with other dysplasias disappear with age. In addition, we review the heights and skeletal anomalies of these reported here and previously in a total of 25 individuals from 15 families. In this study, six different RPL13 variants were identified, five of which were novel. All were located in the apparently hotspot region, located in intron 5 and exon 6. Splicing assays were performed for two of the three previously undescribed splicing variants. Until now, all splice variants have occurred in the intron 5 splice donor site, incorporating an additional 18 amino acids to the mutant protein. Here, we report the first variant in intron 5 splice acceptor site which generates two aberrant transcripts, deleting the first three and four amino acids encoded by exon 6. Thus, this study doubles the number of SEMD-RPL13-related cases and variants reported to date and describes unreported age-related clinical and radiological features.
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Affiliation(s)
- Francisca Díaz-González
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UMA, Madrid, Spain
- Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND)
| | - Manuel Parrón-Pajares
- Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND)
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Elsa Lucas-Castro
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UMA, Madrid, Spain
- Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND)
| | - Silvia Modamio-HØybjØr
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UMA, Madrid, Spain
- Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND)
| | - Lucia Sentchordi-Montané
- Department of Pediatrics, Hospital Universitario Infanta Leonor, Madrid, Spain
- Department of Pediatrics, Universidad Complutense, Madrid, Spain
| | - Verónica Seidel
- Clinical Genetics Section, Department of Pediatrics, Hospital Universitario Gregorio Marañón, Madrid, Spain
| | - Pablo Prieto
- Department of Pediatrics, Hospital Universitario Clínico Salamanca and Biomedical Research Institute of Salamanca (IBSAL), Salamanca, Spain
| | - Guillermo Tarraso-Urios
- Department of Clinical and Molecular Genetics, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
- Medical Genetics Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Marta Codina-Sola
- Department of Clinical and Molecular Genetics, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
- Medical Genetics Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Anna M Cueto-González
- European Research Network on Rare BONe Disorders (ERN-BOND)
- Department of Clinical and Molecular Genetics, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
- Medical Genetics Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Mary J Ballesta-Martínez
- European Research Network on Rare BONe Disorders (ERN-BOND)
- Medical Genetics Section, Department of Pediatrics, Hospital Universitario Virgen de la Arrixaca, IMIB, Murcia, Spain
- CIBERER, ISCIII, Madrid, Spain
| | - Fernando Santos-Simarro
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UMA, Madrid, Spain
- Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND)
- CIBERER, ISCIII, Madrid, Spain
- Department of Molecular diagnostics & Clinical Genetics, Hospital Universitario Son Espases, Palma, Mallorca, Spain
| | - Sergio B Sousa
- European Research Network on Rare BONe Disorders (ERN-BOND)
- Medical Genetics Unit, Hospital Pediátrico, Centro Hospitalar & Universitário de Coimbra, Coimbra, Portugal
| | - Karen E Heath
- Institute of Medical & Molecular Genetics (INGEMM), IdiPAZ, Hospital Universitario la Paz, UMA, Madrid, Spain
- Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
- European Research Network on Rare BONe Disorders (ERN-BOND)
- CIBERER, ISCIII, Madrid, Spain
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Li X, Zeng M, Liu J, Zhang S, Liu Y, Zhao Y, Wei C, Yang K, Huang Y, Zhang L, Xiao L. Identifying potential biomarkers for the diagnosis and treatment of IgA nephropathy based on bioinformatics analysis. BMC Med Genomics 2023; 16:63. [PMID: 36978098 PMCID: PMC10044383 DOI: 10.1186/s12920-023-01494-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND IgA nephropathy (IgAN) has become the leading cause of end-stage renal disease in young adults. Nevertheless, the current diagnosis exclusively relies on invasive renal biopsy, and specific treatment is deficient. Thus, our study aims to identify potential crucial genes, thereby providing novel biomarkers for the diagnosis and therapy of IgAN. METHODS Three microarray datasets were downloaded from GEO official website. Differentially expressed genes (DEGs) were identified by limma package. GO and KEGG analysis were conducted. Tissue/organ-specific DEGs were distinguished via BioGPS. GSEA was utilized to elucidate the predominant enrichment pathways. The PPI network of DEGs was established, and hub genes were mined through Cytoscape. The CTD database was employed to determine the association between hub genes and IgAN. Infiltrating immune cells and their relationship to hub genes were evaluated based on CIBERSORT. Furthermore, the diagnostic effectiveness of hub markers was subsequently predicted using the ROC curves. The CMap database was applied to investigate potential therapeutic drugs. The expression level and diagnostic accuracy of TYROBP was validated in the cell model of IgAN and different renal pathologies. RESULTS A total of 113 DEGs were screened, which were mostly enriched in peptidase regulator activity, regulation of cytokine production, and collagen-containing extracellular matrix. Among these DEGs, 67 genes manifested pronounced tissue and organ specificity. GSEA analysis revealed that the most significant enriched gene sets were involved in proteasome pathway. Ten hub genes (KNG1, FN1, ALB, PLG, IGF1, EGF, HRG, TYROBP, CSF1R, and ITGB2) were recognized. CTD showed a close connection between ALB, IGF, FN1 and IgAN. Immune infiltration analysis elucidated that IGF1, EGF, HRG, FN1, ITGB2, and TYROBP were closely associated with infiltrating immune cells. ROC curves reflected that all hub genes, especially TYROBP, exhibited a good diagnostic value for IgAN. Verteporfin, moxonidine, and procaine were the most significant three therapeutic drugs. Further exploration proved that TYROBP was not only highly expressed in IgAN, but exhibited high specificity for the diagnosis of IgAN. CONCLUSIONS This study may offer novel insights into the mechanisms involved in IgAN occurrence and progression and the selection of diagnostic markers and therapeutic targets for IgAN.
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Affiliation(s)
- Xiaohui Li
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Mengru Zeng
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Jialu Liu
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Shumin Zhang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Yifei Liu
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Yuee Zhao
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Cong Wei
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Kexin Yang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Ying Huang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Lei Zhang
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Li Xiao
- Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, 410011, China.
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Saltarelli MA, Quarta A, Chiarelli F. Growth plate extracellular matrix defects and short stature in children. Ann Pediatr Endocrinol Metab 2022; 27:247-255. [PMID: 36567461 PMCID: PMC9816467 DOI: 10.6065/apem.2244120.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/29/2022] [Indexed: 12/27/2022] Open
Abstract
Many etiological factors causing short stature have already been identified in humans. In the last few years, the advent of new techniques for the detection of chromosomal and molecular abnormalities has made it possible to better identify patients with genetic causes of growth failure. Some of these factors directly affect the development and growth of the skeleton, since they damage the epiphyseal growth plate, where linear growth occurs, influencing chondrogenesis. In particular, defects in genes involved in the organization and function of the growth plate are responsible for several well-known conditions with short stature. These genes play a pivotal role in various mechanisms involving the extracellular matrix, intracellular signaling, paracrine signaling, endocrine signaling, and epigenetic regulation. In this review, we will discuss the genes involved in extracellular matrix disorders. The identification of genetic defects in linear growth failure is important for clinicians and researchers in order to improve the care of children affected by growth disorders.
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Affiliation(s)
| | - Alessia Quarta
- Department of Pediatrics, University of Chieti, Chieti, Italy
| | - Francesco Chiarelli
- Department of Pediatrics, University of Chieti, Chieti, Italy,Address for correspondence: Francesco Chiarelli Department of Pediatrics, University of Chieti, Via dei Vestini, 5 Chieti, I-66100, Italy
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7
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Tabansky I, Tanaka AJ, Wang J, Zhang G, Dujmovic I, Mader S, Jeganathan V, DeAngelis T, Funaro M, Harel A, Messina M, Shabbir M, Nursey V, DeGouvia W, Laurent M, Blitz K, Jindra P, Gudesblatt M, King A, Drulovic J, Yunis E, Brusic V, Shen Y, Keskin DB, Najjar S, Stern JNH. Rare variants and HLA haplotypes associated in patients with neuromyelitis optica spectrum disorders. Front Immunol 2022; 13:900605. [PMID: 36268024 PMCID: PMC9578444 DOI: 10.3389/fimmu.2022.900605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 07/21/2022] [Indexed: 11/30/2022] Open
Abstract
Neuromyelitis optica spectrum disorders (NMOSD) are rare, debilitating autoimmune diseases of the central nervous system. Many NMOSD patients have antibodies to Aquaporin-4 (AQP4). Prior studies show associations of NMOSD with individual Human Leukocyte Antigen (HLA) alleles and with mutations in the complement pathway and potassium channels. HLA allele associations with NMOSD are inconsistent between populations, suggesting complex relationships between the identified alleles and risk of disease. We used a retrospective case-control approach to identify contributing genetic variants in patients who met the diagnostic criteria for NMOSD and their unaffected family members. Potentially deleterious variants identified in NMOSD patients were compared to members of their families who do not have the disease and to existing databases of human genetic variation. HLA sequences from patients from Belgrade, Serbia, were compared to the frequency of HLA haplotypes in the general population in Belgrade. We analyzed exome sequencing on 40 NMOSD patients and identified rare inherited variants in the complement pathway and potassium channel genes. Haplotype analysis further detected two haplotypes, HLA-A*01, B*08, DRB1*03 and HLA-A*01, B*08, C*07, DRB1*03, DQB1*02, which were more prevalent in NMOSD patients than in unaffected individuals. In silico modeling indicates that HLA molecules within these haplotypes are predicted to bind AQP4 at several sites, potentially contributing to the development of autoimmunity. Our results point to possible autoimmune and neurodegenerative mechanisms that cause NMOSD, and can be used to investigate potential NMOSD drug targets.
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Affiliation(s)
- Inna Tabansky
- Department of Neurology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Urology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Science Education, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Department of Neurobiology and Behavior, The Rockefeller University, New York, NY, United States
| | - Akemi J. Tanaka
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, NY, United States
| | - Jiayao Wang
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, NY, United States
- Department of Biomedical Informatics and Department of Systems Biology, Columbia University, New York, NY, United States
| | - Guanglan Zhang
- Department of Computer Science, Boston University, Boston, MA, United States
| | - Irena Dujmovic
- Clinical Center of Serbia University School of Medicine, Belgrade, Serbia
- Department of Neurology, University of North Carolina School of Medicine, Chapel Hill, NC, United States
| | - Simone Mader
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Biomedical Center and University Hospitals, Ludwig Maximilian University Munich, Munich, Germany
| | - Venkatesh Jeganathan
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Tracey DeAngelis
- Department of Neurology, Neurological Associates of Long Island, New Hyde Park, NY, United States
| | - Michael Funaro
- Department of Neurology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Urology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Science Education, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Asaff Harel
- Department of Neurology, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | - Mark Messina
- Department of Neurology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Urology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Science Education, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Maya Shabbir
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Vishaan Nursey
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - William DeGouvia
- Department of Neurology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Urology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Science Education, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Micheline Laurent
- Department of Neurology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Urology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Science Education, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Karen Blitz
- Department of Neurology, South Shore Neurologic Associates, Patchogue, NY, United States
| | - Peter Jindra
- Division of Abdominal Transplantation, Baylor College of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Mark Gudesblatt
- Biomedical Center and University Hospitals, Ludwig Maximilian University Munich, Munich, Germany
| | | | - Alejandra King
- Regeneron Genetics Center, Regeneron Pharmaceuticals Inc., Tarrytown, NY, United States
| | - Jelena Drulovic
- Clinical Center of Serbia University School of Medicine, Belgrade, Serbia
| | - Edmond Yunis
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Vladimir Brusic
- School of Computer Science, University of Nottingham Ningbo China, Ningbo, China
| | - Yufeng Shen
- Department of Biomedical Informatics and Department of Systems Biology, Columbia University, New York, NY, United States
| | - Derin B. Keskin
- Department of Translational Immuno-Genomics for Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, United States
- Department of Medicine, Brigham and Women’s Hospital, Boston, MA, United States
| | - Souhel Najjar
- Department of Neurology, Lenox Hill Hospital, Northwell Health, New York, NY, United States
| | - Joel N. H. Stern
- Department of Neurology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Urology, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Molecular Medicine, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Department of Science Education, Donald and Barbra Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- *Correspondence: Joel N. H. Stern, ;
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8
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Dinesh NEH, Campeau PM, Reinhardt DP. Fibronectin isoforms in skeletal development and associated disorders. Am J Physiol Cell Physiol 2022; 323:C536-C549. [PMID: 35759430 DOI: 10.1152/ajpcell.00226.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The extracellular matrix is an intricate and essential network of proteins and non-proteinaceous components that provide a conducive microenvironment for cells to regulate cell function, differentiation, and survival. Fibronectin is one key component in the extracellular matrix that participates in determining cell fate and function crucial for normal vertebrate development. Fibronectin undergoes time dependent expression patterns during stem cell differentiation, providing a unique stem cell niche. Mutations in fibronectin have been recently identified to cause a rare form of skeletal dysplasia with scoliosis and abnormal growth plates. Even though fibronectin has been extensively analyzed in developmental processes, the functional role and importance of this protein and its various isoforms in skeletal development remains less understood. This review attempts to provide a concise and critical overview of the role of fibronectin isoforms in cartilage and bone physiology and associated pathologies. This will facilitate a better understanding of the possible mechanisms through which fibronectin exerts its regulatory role on cellular differentiation during skeletal development. The review discusses the consequences of mutations in fibronectin leading to corner fracture type spondylometaphyseal dysplasia and presents a new outlook towards matrix-mediated molecular pathways in relation to therapeutic and clinical relevance.
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Affiliation(s)
- Neha E H Dinesh
- Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada
| | | | - Dieter P Reinhardt
- Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada.,Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
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9
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Kosik K, Sowińska A, Seremak-Mrozikiewicz A, Abu-Amara JA, Al-Saad SR, Karbowski LM, Gryczka K, Kurzawińska G, Szymankiewicz-Bręborowicz M, Drews K, Szpecht D. Polymorphisms of fibronectin-1 (rs3796123; rs1968510; rs10202709; rs6725958; and rs35343655) are not associated with bronchopulmonary dysplasia in preterm infants. Mol Cell Biochem 2022; 477:1645-1652. [PMID: 35230604 DOI: 10.1007/s11010-022-04397-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 02/16/2022] [Indexed: 11/27/2022]
Abstract
Bronchopulmonary dysplasia (BPD) is a chronic lung disease that mainly affects premature newborns. Many different factors, increasingly genetic, are involved in the pathogenesis of BPD. The aim of the study is to investigate the possible influence of fibronectin SNP on the occurrence of BPD. The study included 108 infants born between 24 and 32 weeks of gestation. BPD was diagnosed based on the National Institutes of Health Consensus definition. The 5 FN1 gene polymorphisms assessed in the study were the following: rs3796123; rs1968510; rs10202709; rs6725958; and rs35343655. BPD developed in 30 (27.8%) out of the 108 preterm infants. Incidence of BPD was higher in infants with lower APGAR scores and low birthweight. Investigation did not confirm any significant prevalence for BPD development in any genotypes and alleles of FN1. Further studies should be performed to confirm the role of genetic factors in etiology and pathogenesis of BPD.
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Affiliation(s)
- Katarzyna Kosik
- Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland.
| | - Anna Sowińska
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, Poznan, Poland
| | | | | | | | | | - Katarzyna Gryczka
- Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Grażyna Kurzawińska
- Department of Perinatology and Women's Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Krzysztof Drews
- Department of Perinatology and Women's Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Dawid Szpecht
- Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland
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10
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Karakaya C, Çil AP, Bilguvar K, Çakir T, Karalok MH, Karabacak RO, Caglayan AO. Further delineation of familial polycystic ovary syndrome (PCOS) via whole-exome sequencing: PCOS-related rare FBN3 and FN1 gene variants are identified. J Obstet Gynaecol Res 2022; 48:1202-1211. [PMID: 35141985 PMCID: PMC9050819 DOI: 10.1111/jog.15187] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 01/19/2022] [Accepted: 01/29/2022] [Indexed: 12/11/2022]
Abstract
AIM To identify pathogenic rare coding Mendelian/high-effect size variant(s) by whole-exome sequencing in familial polycystic ovary syndrome (PCOS) patients to elucidate PCOS-related pathways. METHODS Twenty women and their affected available relatives diagnosed with PCOS according to Rotterdam criteria were recruited. Whole-exome sequencing on germ-line DNA from 31 PCOS probands and their affected relatives was performed. Whole-exome sequencing data were further evaluated by pathway and chemogenomics analyses. In-slico analysis of candidate variants were done by VarCards for functional predictions and VarSite for impact on three-dimensional (3D) structures in the candidate proteins. RESULTS Two heterozygous rare FBN3 missense variants in three patients, and one FN1 missense variant in one patient from three different PCOS families were identified. CONCLUSION We identified three novel FBN3 and FN1 variants for the first time in the literature and linked with PCOS. Further functional studies may identify causality of these newly discovered PCOS-related variants, and their role yet remains to be investigated. Our findings may improve our understanding of the biological pathways affected and identify new drug targets.
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Affiliation(s)
- Cengiz Karakaya
- Department of Medical Biochemistry, Gazi University School of Medicine, Ankara, Turkey.,Division of Reproductive Endocrinology and Infertility, Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Aylin Pelin Çil
- American Hospital Women's Health and Assisted Reproductive Center Guzelbahce Sok, İstanbul, Turkey
| | - Kaya Bilguvar
- Department of Genetics, Yale Center for Genome Analysis, Yale School of Medicine, New Haven, Connecticut, USA.,Departments of Neurosurgery, Neurobiology and Genetics, Yale School of Medicine, New Haven, Connecticut, USA.,Department of Medical Genetics, Acibadem University School of Medicine, Istanbul, Turkey
| | - Tunahan Çakir
- Department of Bioengineering, Gebze Technical University, Gebze, Turkey
| | - Mete Hakan Karalok
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, USA
| | - Recep Onur Karabacak
- Department of Obstetrics and Gynecology, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Ahmet Okay Caglayan
- Departments of Neurosurgery, Neurobiology and Genetics, Yale School of Medicine, New Haven, Connecticut, USA.,Department of Medical Genetics, School of Medicine, Dokuz Eylul University, Izmir, Turkey.,Department of Molecular Medicine, Institute of Health Sciences, Dokuz Eylul University, Izmir, Turkey
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11
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van Hoolwerff M, Rodríguez Ruiz A, Bouma M, Suchiman HED, Koning RI, Jost CR, Mulder AA, Freund C, Guilak F, Ramos YFM, Meulenbelt I. High-impact FN1 mutation decreases chondrogenic potential and affects cartilage deposition via decreased binding to collagen type II. SCIENCE ADVANCES 2021; 7:eabg8583. [PMID: 34739320 PMCID: PMC8570604 DOI: 10.1126/sciadv.abg8583] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 09/17/2021] [Indexed: 06/13/2023]
Abstract
Osteoarthritis is the most prevalent joint disease worldwide, yet progress in development of effective disease-modifying treatments is slow because of lack of insight into the underlying disease pathways. Therefore, we aimed to identify the causal pathogenic mutation in an early-onset osteoarthritis family, followed by functional studies in human induced pluripotent stem cells (hiPSCs) in an in vitro organoid cartilage model. We demonstrated that the identified causal missense mutation in the gelatin-binding domain of the extracellular matrix protein fibronectin resulted in significant decreased binding capacity to collagen type II. Further analyses of formed hiPSC-derived neo-cartilage tissue highlighted that mutated fibronectin affected chondrogenic capacity and propensity to a procatabolic osteoarthritic state. Together, we demonstrate that binding of fibronectin to collagen type II is crucial for fibronectin downstream gene expression of chondrocytes. We advocate that effective treatment development should focus on restoring or maintaining proper binding between fibronectin and collagen type II.
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Affiliation(s)
- Marcella van Hoolwerff
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden, Netherlands
| | - Alejandro Rodríguez Ruiz
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden, Netherlands
| | - Marga Bouma
- LUMC hiPSC Hotel, Leiden University Medical Center, Leiden, Netherlands
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
| | - H. Eka D. Suchiman
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden, Netherlands
| | - Roman I. Koning
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Carolina R. Jost
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Aat A. Mulder
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Christian Freund
- LUMC hiPSC Hotel, Leiden University Medical Center, Leiden, Netherlands
- Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, Netherlands
| | - Farshid Guilak
- Department of Orthopedic Surgery, Washington University and Shriners Hospitals for Children, St. Louis, MO, USA
| | - Yolande F. M. Ramos
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden, Netherlands
| | - Ingrid Meulenbelt
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden, Netherlands
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12
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Mensah NE, Sabir AH, Bond A, Roworth W, Irving M, Davies AC, Ahn JW. Automated reanalysis application to assist in detecting novel gene–disease associations after genome sequencing. Genet Med 2021; 24:811-820. [DOI: 10.1016/j.gim.2021.11.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 08/31/2021] [Accepted: 11/24/2021] [Indexed: 02/02/2023] Open
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13
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Göblös A, Varga E, Farkas K, Árvai K, Kemény L. Genetic Investigation of Inverse Psoriasis. Life (Basel) 2021; 11:life11070654. [PMID: 34357026 PMCID: PMC8306123 DOI: 10.3390/life11070654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/27/2021] [Accepted: 07/01/2021] [Indexed: 12/03/2022] Open
Abstract
Inverse psoriasis is considered to be a rare variant of plaque-type psoriasis and is associated with significantly impaired quality of life. Clinical manifestations and treatment options are somewhat different for each subtype. Identifying genetic variants that contribute to the susceptibility of different types of psoriasis might improve understanding of the etiology of the disease. Since we have no current knowledge about the genetic background of inverse psoriasis, whole exome sequencing was used to comprehensively assess genetic variations in five patients with exclusively inverse lesions. We detected six potentially pathogenic rare (MAF < 0.01) sequence variants that occurred in all investigated patients. The corresponding mutated genes were FN1, FBLN1, MYH7B, MST1R, RHOD, and SCN10A. Several mutations identified in this study are known to cause disease, but roles in psoriasis or other papulosquamous diseases have not previously been reported. Interestingly, potentially causative variants of established psoriasis-susceptibility genes were not identified. These outcomes are in agreement with our hypothesis that the inverse subtype is a different entity from plaque-type psoriasis.
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Affiliation(s)
- Anikó Göblös
- MTA-SZTE Dermatological Research Group, Eötvös Loránd Research Network, 6720 Szeged, Hungary;
- Correspondence: ; Tel.: +36-205-541-692
| | - Emese Varga
- Department of Dermatology and Allergology, University of Szeged, 6720 Szeged, Hungary;
| | - Katalin Farkas
- Department of Medical Genetics, University of Szeged, 6720 Szeged, Hungary;
| | | | - Lajos Kemény
- MTA-SZTE Dermatological Research Group, Eötvös Loránd Research Network, 6720 Szeged, Hungary;
- Department of Dermatology and Allergology, University of Szeged, 6720 Szeged, Hungary;
- HCEMM-USZ Skin Research Group, University of Szeged, 6720 Szeged, Hungary
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14
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Wang Q, Wang C, Liu J, Sun J, Wang C, Zhang X. Plasma proteomics analysis of adolescent idiopathic scoliosis patients revealed by Quadrupole-Orbitrap mass spectrometry. Proteomics Clin Appl 2021; 15:e2100002. [PMID: 33864425 DOI: 10.1002/prca.202100002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/22/2021] [Accepted: 04/12/2021] [Indexed: 12/16/2022]
Abstract
OBJECTIVE We aim to investigate the changes of plasma proteome among mild, severe adolescent idiopathic scoliosis (AIS) patients and healthy controls. METHODS In this retrospective study, there were 84 individuals including 56 confirmed AIS patients (27 follow-up AIS patients and 29 surgical AIS patients) and another 28 healthy teenagers. Plasma samples were obtained and Quadrupole-Orbitrap Mass Spectrometer was performed to identify proteins in AIS patients and control group. T-test and ANOVA were performed to screen for differential proteins. GO and KEGG pathway, Pearson's correlation analysis and PLS model were applied to identify enriched proteins, investigate correlation between proteins and Cobb angles. ELISA was performed to further verify the quantitative proteomics results. RESULTS A total of 349 proteins were identified, among which 55 protein levels changed significantly in AIS group, compared with control group. Post hoc test indicated 36 proteins were significantly different between surgical and control group, 35 proteins between follow-up and control group. Fibronectin, fibrinogen and calmodulin were statistically different among three groups through mass spectrometry and were positively correlated with the Cobb angle. CONCLUSIONS We performed the proteomic study and revealed that fibronectin, fibrinogen and calmodulin might not only be considered as biomarkers for AIS but could be correlated with curve severity.
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Affiliation(s)
- Qi Wang
- Medical School of Chinese PLA General Hospital, Beijing, 100853, China.,Department of Orthopedics, Chinese PLA General Hospital, Beijing, 100853, China
| | - Chi Wang
- Department of Clinical Laboratory Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jiayu Liu
- Department of Clinical Laboratory Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Jingru Sun
- Qlife Lab Co., Ltd, Shenzhen, 518102, China
| | - Chengbin Wang
- Department of Clinical Laboratory Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Xuesong Zhang
- Department of Orthopedics, Chinese PLA General Hospital, Beijing, 100853, China
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15
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Costantini A, Muurinen MH, Mäkitie O. New gene discoveries in skeletal diseases with short stature. Endocr Connect 2021; 10:R160-R174. [PMID: 33830070 PMCID: PMC8183621 DOI: 10.1530/ec-21-0083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/07/2021] [Indexed: 12/19/2022]
Abstract
In the last decade, the widespread use of massively parallel sequencing has considerably boosted the number of novel gene discoveries in monogenic skeletal diseases with short stature. Defects in genes playing a role in the maintenance and function of the growth plate, the site of longitudinal bone growth, are a well-known cause of skeletal diseases with short stature. However, several genes involved in extracellular matrix composition or maintenance as well as genes partaking in various biological processes have also been characterized. This review aims to describe the latest genetic findings in spondyloepiphyseal dysplasias, spondyloepimetaphyseal dysplasias, and some monogenic forms of isolated short stature. Some examples of novel genetic mechanisms leading to skeletal conditions with short stature will be described. Strategies on how to successfully characterize novel skeletal phenotypes with short stature and genetic approaches to detect and validate novel gene-disease correlations will be discussed in detail. In summary, we review the latest gene discoveries underlying skeletal diseases with short stature and emphasize the importance of characterizing novel molecular mechanisms for genetic counseling, for an optimal management of the disease, and for therapeutic innovations.
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Affiliation(s)
- Alice Costantini
- Department of Molecular Medicine and Surgery and Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Mari H Muurinen
- Folkhälsan Institute of Genetics, University of Helsinki, Helsinki, Finland
- Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, University of Helsinki, Helsinki, Finland
| | - Outi Mäkitie
- Department of Molecular Medicine and Surgery and Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Folkhälsan Institute of Genetics, University of Helsinki, Helsinki, Finland
- Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, University of Helsinki, Helsinki, Finland
- Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
- Correspondence should be addressed to O Mäkitie:
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16
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Automated reanalysis, a novel way to diagnose an ultra-rare condition: Fibronectin-1-related spondylometaphyseal dysplasia (SMD-FN1). Clin Dysmorphol 2021; 30:154-158. [PMID: 33605604 DOI: 10.1097/mcd.0000000000000369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We report a further case of spondylometaphyseal dysplasia - corner fracture type due to the fibronectin-1 gene (SMD-FN1) in a child originally thought to have metaphyseal chondrodysplasia-Brussels type (MCD Brussels). We highlight phenotypic differences with the SMD-FN1 published reports. This case is unique in terms of the method of molecular confirmation. Findings from the 100 000 Genomes Project were originally negative (in both tier 1 and 2); however, subsequent reanalysis, initiated by an automated search for new gene-disease associations in PanelApp, highlighted a candidate diagnostic variant. Our child had short stature, facial dysmorphism, spondylometaphyseal dysplasia and corner fractures and a heterozygous de novo missense variant in FN1 (c.675C>G p.(Cys225Trp), which was likely pathogenic. The variant matched the clinical and radiological features and a diagnosis of SMD-FN1 was confirmed. We explore the diagnostic journey of this patient, compare her findings with the previous 15 patients reported with SMD-FN1 and discuss the diagnostic utility of automated reanalysis. We consider differences and similarities between MCD Brussels and SMD-FN1, by reviewing literature on both conditions and assess whether they are in fact the same disorder.
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17
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Handa A, Grigelioniene G, Nishimura G. Radiologic Features of Type II and Type XI Collagenopathies. Radiographics 2020; 41:192-209. [PMID: 33186059 DOI: 10.1148/rg.2021200075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Type II collagen is a major component of the cartilage matrix. Pathogenic variants (ie, disease-causing aberrations) in the type II collagen gene (COL2A1) lead to an abnormal structure of type II collagen, causing a large group of skeletal dysplasias termed type II collagenopathies. Because type II collagen is also located in the vitreous body of the eyes and inner ears, type II collagenopathies are commonly associated with vitreoretinal degeneration and hearing impairment. Type II collagenopathies can be radiologically divided into two major groups: the spondyloepiphyseal dysplasia congenita (SEDC) group and the Kniest-Stickler group. The SEDC group is characterized by delayed ossification of the juxtatruncal bones, including pear-shaped vertebrae. These collagenopathies comprise achondrogenesis type 2, hypochondrogenesis, SEDC, and other uncommon subtypes. The Kniest-Stickler group is characterized by disordered tubular bone growth that leads to "dumbbell" deformities. It comprises Kniest dysplasia and Stickler dysplasia type 1, whose radiographic manifestations overlap with those of type XI collagenopathies (a group of disorders due to abnormal type XI collagen) such as Stickler dysplasia types 2 and 3. This phenotypic overlap is caused by type II and type XI collagen molecules sharing part of the same connective tissues. The authors describe the diagnostic pathways to type II and type XI collagenopathies and the associated differential diagnoses. In addition, they review the clinical features and genetic bases of these conditions, which radiologists should know to participate in multidisciplinary care and translational research. Online supplemental material is available for this article. ©RSNA, 2020.
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Affiliation(s)
- Atsuhiko Handa
- From the Department of Radiology, University of Iowa Hospitals and Clinics, 200 Hawkins Dr, Iowa City, IA 52242 (A.H.); Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska Institutet and Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden (G.G.); and Center for Intractable Diseases, Saitama Medical University Hospital, Saitama, Japan (G.N.)
| | - Giedre Grigelioniene
- From the Department of Radiology, University of Iowa Hospitals and Clinics, 200 Hawkins Dr, Iowa City, IA 52242 (A.H.); Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska Institutet and Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden (G.G.); and Center for Intractable Diseases, Saitama Medical University Hospital, Saitama, Japan (G.N.)
| | - Gen Nishimura
- From the Department of Radiology, University of Iowa Hospitals and Clinics, 200 Hawkins Dr, Iowa City, IA 52242 (A.H.); Department of Molecular Medicine and Surgery, Center for Molecular Medicine, Karolinska Institutet and Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden (G.G.); and Center for Intractable Diseases, Saitama Medical University Hospital, Saitama, Japan (G.N.)
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18
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FN1 promotes chondrocyte differentiation and collagen production via TGF-β/PI3K/Akt pathway in mice with femoral fracture. Gene 2020; 769:145253. [PMID: 33098939 DOI: 10.1016/j.gene.2020.145253] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/17/2020] [Accepted: 10/16/2020] [Indexed: 11/24/2022]
Abstract
Fibronectin (FN) functions as a potent stimulator of osteogenic differentiation, and bone fracture healing. In FN family, FN1 acts as an interactive protein gene product to mediate chondrocyte adhesion. However, its effect on fracture healing remains elusive. Therefore, we aimed to investigate the involvement of FN1 in fracture healing. Hard callus formations were found at fracture site with thicker periosteum in lateral cortical bone area outside the fracture site in model mice. The decreased number of osteogenic cells in the middle of the callus region and increased extracellular matrix were suggestive of successful induction. Immunoblotting and RT-qPCR revealed that expression of FN1 was increased in tissues of fracture mice. As displayed by Safranin-fast green staining hematoxylin-eosin staining, the overexpression of FN1 at fracture site promoted osteoid formation and chondrocyte differentiation. The stimulating role of FN1 in collagen production was evidenced by increased levels of Col2, Col1, ColX, Osteonectin, and Osteocalcin and enhanced BMD, BV, BV/TV and Tb.Th values verified by immunoblotting and immunohistochemical staining. Additionally, the upregulation of FN1 contributed to promoted TGF-β, c-Caspase-9/t-Caspase-9 ratio and NF-κB p65 protein expression as well as lowered p-PI3K/PI3K and p-AKT/AKT ratios, implying the positive correlation between FN1 and the TGF-β/PI3K/Akt signaling pathway. The key findings of the present study provided evidence indicating that overexpression of FN1 contributes to fracture healing by activation of the TGF-β/PI3K/Akt signaling pathway.
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19
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Szpecht D, Al-Saad SR, Karbowski LM, Kosik K, Kurzawińska G, Szymankiewicz M, Drews K, Seremak-Mrozikiewicz A. Role of Fibronectin-1 polymorphism genes with the pathogenesis of intraventricular hemorrhage in preterm infants. Childs Nerv Syst 2020; 36:1729-1736. [PMID: 32285152 PMCID: PMC7355268 DOI: 10.1007/s00381-020-04598-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 03/27/2020] [Indexed: 11/16/2022]
Abstract
BACKGROUND/INTRODUCTION Intraventricular hemorrhage (IVH) is a dangerous complication facing a significant proportion of preterm infants. It is multifactorial in nature, and an observed fibronectin deficiency in the germinal matrix basal lamina is among the most prominent factors that influence such rupture. Better understanding of the FN1 gene polymorphisms and their role in IVH may further clarify the presence of a genetic susceptibility of certain babies to this complication. The aim of this study was to assess if 5 single nucleotide polymorphisms of the fibronectin gene may be linked to an increased incidence of IVH. MATERIAL AND METHODS The study included 108 infants born between 24 and 32 weeks of gestation. IVH was diagnosed using cranial ultrasound performed on the 1st,3rd, and 7th day after birth and classified according to Papile et al. IVH classification. The 5 FN1 gene polymorphisms assessed in the study were the following: rs3796123; rs1968510; rs10202709; rs6725958; and rs35343655. RESULTS IVH developed in 51 (47.2%) out of the 108 preterm infants. This includes, 18 (35.3%) with stage I IVH, 19 (37.3%) with stage II, 11 (21.6%) with stage III, and 3 (5.9%) with stage IV IVH. Incidence of IVH was higher in infants with lower APGAR scores, low gestational age, and low birthweight. Analysis showed that IVH stage II to IV was approximately seven times more likely to occur in infants with the genotype TT FN1 rs10202709 (OR 7237 (1046-79.59; p = 0,044)). No other significant association was found with the rest of the polymorphisms. CONCLUSION The results of our study indicate a sevenfold increased genetic susceptibility to IVH in preterm infants with the TT FN1 rs10202709 gene polymorphism. The fibronectin gene polymorphism may therefore be of crucial importance as a genetic risk factor for IVH in preterm infants. Further studies are warranted.
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Affiliation(s)
- Dawid Szpecht
- Chair and Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland.
| | | | | | - Katarzyna Kosik
- Chair and Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Grażyna Kurzawińska
- Department of Perinatology and Women's Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Marta Szymankiewicz
- Chair and Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Krzysztof Drews
- Department of Perinatology and Women's Diseases, Poznan University of Medical Sciences, Poznan, Poland
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20
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Cai L, Liu W, Cui Y, Liu Y, Du W, Zheng L, Pi C, Zhang D, Xie J, Zhou X. Biomaterial Stiffness Guides Cross-talk between Chondrocytes: Implications for a Novel Cellular Response in Cartilage Tissue Engineering. ACS Biomater Sci Eng 2020; 6:4476-4489. [PMID: 33455172 DOI: 10.1021/acsbiomaterials.0c00367] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The exquisite cartilage architecture maintains an orderly dynamic equilibrium as a result of the interplay between chondrocyte functions and the unique extracellular matrix (ECM) microenvironment. Numerous studies have demonstrated that extracellular cues, including topological, mechanical, and biochemical properties of the underlying substrates, dictate the chondrocyte behaviors. Consequently, developing advanced biomaterials with the desired characteristics which could achieve the biointerface between cells and the surrounded matrix close to the physiological conditions becomes a great hotspot in bioengineering. However, how the substrate stiffness influences the intercellular communication among chondrocytes is still poorly reported. We used polydimethylsiloxane with varied stiffnesses as a cell culture substrate to elucidate a novel cell-to-cell communication in a collective of chondrocytes. First, morphological images collected using scanning electron microscopy revealed that the tunable substrate stiffnesses directed the changes in intercellular links among chondrocytes. Next, fibronectin, which played a vital role in the connection of ECM components or linkage of ECM to chondrocytes, was shown to be gathered along cell-cell contact areas and was changed with the tunable substrate stiffnesses. Furthermore, transmembrane junctional proteins including connexin 43 (Cx43) and pannexin 1 (Panx1), which are responsible for gap junction formation in cell-to-cell communication, were mediated by the tunable substrate stiffnesses. Finally, through a scrape loading/dye transfer assay, we revealed cell-to-cell communication changes in a living chondrocyte population in response to the tunable substrate stiffnesses via cell-to-cell fluorescent molecule transport. Taken together, this novel cell-to-cell communication regulated by biomaterial stiffness could help us to increase the understanding of cell behaviors under biomechanical control and may ultimately lead to refining cell-based cartilage tissue engineering.
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Affiliation(s)
- Linyi Cai
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Wenjing Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yujia Cui
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yang Liu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Wei Du
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Liwei Zheng
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Caixia Pi
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Demao Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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21
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Li J, Ritelli M, Ma CS, Rao G, Habib T, Corvilain E, Bougarn S, Cypowyj S, Grodecká L, Lévy R, Béziat V, Shang L, Payne K, Avery DT, Migaud M, Boucherit S, Boughorbel S, Guennoun A, Chrabieh M, Rapaport F, Bigio B, Itan Y, Boisson B, Cormier-Daire V, Syx D, Malfait F, Zoppi N, Abel L, Freiberger T, Dietz HC, Marr N, Tangye SG, Colombi M, Casanova JL, Puel A. Chronic mucocutaneous candidiasis and connective tissue disorder in humans with impaired JNK1-dependent responses to IL-17A/F and TGF-β. Sci Immunol 2020; 4:4/41/eaax7965. [PMID: 31784499 DOI: 10.1126/sciimmunol.aax7965] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 11/01/2019] [Indexed: 12/12/2022]
Abstract
Genetic etiologies of chronic mucocutaneous candidiasis (CMC) disrupt human IL-17A/F-dependent immunity at mucosal surfaces, whereas those of connective tissue disorders (CTDs) often impair the TGF-β-dependent homeostasis of connective tissues. The signaling pathways involved are incompletely understood. We report a three-generation family with an autosomal dominant (AD) combination of CMC and a previously undescribed form of CTD that clinically overlaps with Ehlers-Danlos syndrome (EDS). The patients are heterozygous for a private splice-site variant of MAPK8, the gene encoding c-Jun N-terminal kinase 1 (JNK1), a component of the MAPK signaling pathway. This variant is loss-of-expression and loss-of-function in the patients' fibroblasts, which display AD JNK1 deficiency by haploinsufficiency. These cells have impaired, but not abolished, responses to IL-17A and IL-17F. Moreover, the development of the patients' TH17 cells was impaired ex vivo and in vitro, probably due to the involvement of JNK1 in the TGF-β-responsive pathway and further accounting for the patients' CMC. Consistently, the patients' fibroblasts displayed impaired JNK1- and c-Jun/ATF-2-dependent induction of key extracellular matrix (ECM) components and regulators, but not of EDS-causing gene products, in response to TGF-β. Furthermore, they displayed a transcriptional pattern in response to TGF-β different from that of fibroblasts from patients with Loeys-Dietz syndrome caused by mutations of TGFBR2 or SMAD3, further accounting for the patients' complex and unusual CTD phenotype. This experiment of nature indicates that the integrity of the human JNK1-dependent MAPK signaling pathway is essential for IL-17A- and IL-17F-dependent mucocutaneous immunity to Candida and for the TGF-β-dependent homeostasis of connective tissues.
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Affiliation(s)
- Juan Li
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Marco Ritelli
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy
| | - Cindy S Ma
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales 2010, Australia
| | - Geetha Rao
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia
| | | | - Emilie Corvilain
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | | | - Sophie Cypowyj
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Lucie Grodecká
- Molecular Genetics Laboratory, Centre for Cardiovascular Surgery and Transplantation, Brno 65691, Czech Republic
| | - Romain Lévy
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | - Vivien Béziat
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | - Lei Shang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Kathryn Payne
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia
| | - Danielle T Avery
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia
| | - Mélanie Migaud
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | - Soraya Boucherit
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | | | | | - Maya Chrabieh
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | - Franck Rapaport
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Benedetta Bigio
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Yuval Itan
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA.,The Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.,Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Bertrand Boisson
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA.,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | - Valérie Cormier-Daire
- University of Paris, Imagine Institute, 75015 Paris, France.,Department of Medical Genetics, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
| | - Delfien Syx
- Center for Medical Genetics, Ghent University Hospital, 9000 Ghent, Belgium
| | - Fransiska Malfait
- Center for Medical Genetics, Ghent University Hospital, 9000 Ghent, Belgium
| | - Nicoletta Zoppi
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA.,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
| | - Tomáš Freiberger
- Molecular Genetics Laboratory, Centre for Cardiovascular Surgery and Transplantation, Brno 65691, Czech Republic.,Faculty of Medicine and Central European Institute of Technology, Masaryk University, Brno 62500, Czech Republic
| | - Harry C Dietz
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Howard Hughes Medical Institute, Baltimore, MD 21205, USA
| | - Nico Marr
- Sidra Medicine, P.O. Box 26999, Doha, Qatar.,College of Health and Life Sciences, Hamad Bin Khalifa University, P.O. Box 34110, Doha, Qatar
| | - Stuart G Tangye
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales 2010, Australia
| | - Marina Colombi
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. .,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France.,Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, 75015 Paris, France.,Howard Hughes Medical Institute, New York, NY 10065, USA
| | - Anne Puel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA. .,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France.,University of Paris, Imagine Institute, 75015 Paris, France
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22
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Ren X, Yang N, Wu N, Xu X, Chen W, Zhang L, Li Y, Du RQ, Dong S, Zhao S, Chen S, Jiang LP, Wang L, Zhang J, Wu Z, Jin L, Qiu G, Lupski JR, Shi J, Zhang F, Liu P. Increased TBX6 gene dosages induce congenital cervical vertebral malformations in humans and mice. J Med Genet 2020; 57:371-379. [PMID: 31888956 PMCID: PMC9179029 DOI: 10.1136/jmedgenet-2019-106333] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 12/02/2019] [Accepted: 12/05/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Congenital vertebral malformations (CVMs) manifest with abnormal vertebral morphology. Genetic factors have been implicated in CVM pathogenesis, but the underlying pathogenic mechanisms remain unclear in most subjects. We previously reported that the human 16p11.2 BP4-BP5 deletion and its associated TBX6 dosage reduction caused CVMs. We aim to investigate the reciprocal 16p11.2 BP4-BP5 duplication and its potential genetic contributions to CVMs. METHODS AND RESULTS Patients who were found to carry the 16p11.2 BP4-BP5 duplication by chromosomal microarray analysis were retrospectively analysed for their vertebral phenotypes. The spinal assessments in seven duplication carriers showed that four (57%) presented characteristics of CVMs, supporting the contention that increased TBX6 dosage could induce CVMs. For further in vivo functional investigation in a model organism, we conducted genome editing of the upstream regulatory region of mouse Tbx6 using CRISPR-Cas9 and obtained three mouse mutant alleles (Tbx6up1 to Tbx6up3 ) with elevated expression levels of Tbx6. Luciferase reporter assays showed that the Tbx6up3 allele presented with the 160% expression level of that observed in the reference (+) allele. Therefore, the homozygous Tbx6up3/up3 mice could functionally mimic the TBX6 dosage of heterozygous carriers of 16p11.2 BP4-BP5 duplication (approximately 150%, ie, 3/2 gene dosage of the normal level). Remarkably, 60% of the Tbx6up3/up3 mice manifested with CVMs. Consistent with our observations in humans, the CVMs induced by increased Tbx6 dosage in mice mainly affected the cervical vertebrae. CONCLUSION Our findings in humans and mice consistently support that an increased TBX6 dosage contributes to the risk of developing cervical CVMs.
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Affiliation(s)
- Xiaojun Ren
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Nan Yang
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Nan Wu
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Medical Research Center of Orthopedics, Chinese Academy of Medical Sciences, Beijing, China
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - Ximing Xu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Weisheng Chen
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Ling Zhang
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Yingping Li
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
| | - Ren-Qian Du
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - Shuangshuang Dong
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Sen Zhao
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Shuxia Chen
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
| | - Li-Ping Jiang
- State key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, China
| | - Lianlei Wang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Jianguo Zhang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Medical Research Center of Orthopedics, Chinese Academy of Medical Sciences, Beijing, China
| | - Zhihong Wu
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Department of Central Laboratory, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Li Jin
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
| | - Guixing Qiu
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
- Medical Research Center of Orthopedics, Chinese Academy of Medical Sciences, Beijing, China
| | - James R Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
- Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
- Texas Children's Hospital, Houston, Texas, USA
| | - Jiangang Shi
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Feng Zhang
- Obstetrics and Gynecology Hospital, NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), State Key Laboratory of Genetic Engineering at School of Life Sciences, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Pengfei Liu
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
- Baylor Genetics, Houston, Texas, USA
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23
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Karoulias SZ, Beyens A, Balic Z, Symoens S, Vandersteen A, Rideout AL, Dickinson J, Callewaert B, Hubmacher D. A novel ADAMTS17 variant that causes Weill-Marchesani syndrome 4 alters fibrillin-1 and collagen type I deposition in the extracellular matrix. Matrix Biol 2019; 88:1-18. [PMID: 31726086 DOI: 10.1016/j.matbio.2019.11.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/31/2019] [Accepted: 11/02/2019] [Indexed: 12/17/2022]
Abstract
Weill-Marchesani syndrome (WMS) is a rare genetic disorder that affects the musculoskeletal system, the eye, and the cardiovascular system. Individuals with WMS present with short stature, joint contractures, thick skin, microspherophakia, small and dislocated lenses, and cardiac valve anomalies. WMS can be caused by recessive mutations in ADAMTS10 (WMS 1), ADAMTS17 (WMS 4), or LTBP2 (WMS 3), or by dominant mutations in fibrillin-1 (FBN1) (WMS 2); all genes encode secreted extracellular matrix (ECM) proteins. Individuals with WMS 4 due to ADAMTS17 mutations appear to have less severe cardiac involvement and present predominantly with the musculoskeletal and ocular features of WMS. ADAMTS17 is a member of the ADAMTS family of secreted proteases and directly binds to fibrillins. Here we report a novel pathogenic variant in ADAMTS17 that causes WMS 4 in an individual with short stature, brachydactyly, and small, spherical, and dislocated lenses. We provide biochemical and cell biological insights in the pathomechanisms of WMS 4, which also suggest potential biological functions for ADAMTS17. We show that the variant in ADAMTS17 prevents its secretion and we found intracellular accumulation of fibrillin-1 and collagen type I in patient-derived skin fibroblasts. In accordance, transmission electron microscopy revealed elastic fiber abnormalities, decreased collagen fibril diameters, and intracellular collagen accumulation in the dermis of the proband. Together, the data indicate a possible role for ADAMTS17 in the secretion of fibrillin-1 and collagen type I or in their early assembly in the pericellular matrix or the ECM.
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Affiliation(s)
- Stylianos Z Karoulias
- Orthopaedic Research Laboratories, Leni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mt. Sinai, New York, NY, USA
| | - Aude Beyens
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, Belgium; Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - Zerina Balic
- Orthopaedic Research Laboratories, Leni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mt. Sinai, New York, NY, USA
| | - Sofie Symoens
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, Belgium
| | - Anthony Vandersteen
- Division of Medical Genetics, Department of Pediatrics, Dalhousie University, Halifax, NS, Canada; Maritime Medical Genetics Service, IWK Health Centre, Halifax, NS, Canada
| | - Andrea L Rideout
- Maritime Medical Genetics Service, IWK Health Centre, Halifax, NS, Canada
| | - John Dickinson
- Department of Ophthalmology & Visual Sciences, Dalhousie University, Halifax, NS, Canada
| | - Bert Callewaert
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, Belgium.
| | - Dirk Hubmacher
- Orthopaedic Research Laboratories, Leni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mt. Sinai, New York, NY, USA.
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24
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Han P, Frith JE, Gomez GA, Yap AS, O'Neill GM, Cooper-White JJ. Five Piconewtons: The Difference between Osteogenic and Adipogenic Fate Choice in Human Mesenchymal Stem Cells. ACS NANO 2019; 13:11129-11143. [PMID: 31580055 DOI: 10.1021/acsnano.9b03914] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The ability of mesenchymal stem cells to sense nanoscale variations in extracellular matrix (ECM) compositions in their local microenvironment is crucial to their survival and their fate; however, the underlying molecular mechanisms defining how such fates are temporally modulated remain poorly understood. In this work, we have utilized self-assembled block copolymer surfaces to present nanodomains of an adhesive peptide found in many ECM proteins at different lateral spacings (from 30 to 60 nm) and studied the temporal response (2 h to 14 days) of human mesenchymal stem cells (hMSCs) using a panel of real-time localization and activity biosensors. Our findings revealed that within the first 4 to 24 h postadhesion and spreading, hMSCs on smaller nanodomain spacings recruit more activated FAK and Src proteins to produce larger, longer-lived, and increased numbers of focal adhesions (FAs). The adhesions formed on smaller nanospacings rapidly recruit higher amounts of nonmuscle myosin IIA and vinculin and experience tension forces (by >5 pN/FA) significantly higher than those observed on larger nanodomain spacings. The transmission of higher levels of tension into the cytoskeleton at short times was accompanied by higher Rac1, cytosolic β-catenin, and nuclear localization of YAP/TAZ and RUNX2, which together biased the commitment of hMSCs to an osteogenic fate. This investigation provides mechanistic insights to confirm that smaller lateral spacings of adhesive nanodomains alter hMSC mechanosensing and biases mechanotransduction at short times via differential coupling of FAK/Src/Rac1/myosin IIA/YAP/TAZ signaling pathways to support longer-term changes in stem cell differentiation and state.
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Affiliation(s)
- Pingping Han
- Tissue Engineering and Microfluidics Laboratory (TE&M), Australian Institute for Bioengineering and Nanotechnology (AIBN) , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
- The UQ Centre in Stem Cell Ageing and Regenerative Engineering (StemCARE), Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
| | - Jessica E Frith
- Tissue Engineering and Microfluidics Laboratory (TE&M), Australian Institute for Bioengineering and Nanotechnology (AIBN) , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
- Materials Science and Engineering , Monash University , Melbourne , VIC 3168 , Australia
| | - Guillermo A Gomez
- Institute of Molecular Biosciences , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
- Centre for Cancer Biology , South Australia Pathology and The University of South Australia , Adelaide , SA 5001 , Australia
| | - Alpha S Yap
- Institute of Molecular Biosciences , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
| | - Geraldine M O'Neill
- Kids Research Institute , Children's Hospital at Westmead , Sydney , NSW 2006 , Australia
- Discipline of Child and Adolescent Health , University of Sydney , Sydney , NSW 2006 , Australia
| | - Justin J Cooper-White
- Tissue Engineering and Microfluidics Laboratory (TE&M), Australian Institute for Bioengineering and Nanotechnology (AIBN) , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
- The UQ Centre in Stem Cell Ageing and Regenerative Engineering (StemCARE), Australian Institute for Bioengineering and Nanotechnology , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
- Commonwealth Scientific and Industrial Research Organization (CSIRO), Manufacturing , Melbourne , Clayton, VIC 3168 , Australia
- School of Chemical Engineering , The University of Queensland , Brisbane , St. Lucia, QLD 4067 , Australia
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25
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Zeng M, Liu J, Yang W, Zhang S, Liu F, Dong Z, Peng Y, Sun L, Xiao L. Identification of key biomarkers in diabetic nephropathy via bioinformatic analysis. J Cell Biochem 2019; 120:8676-8688. [PMID: 30485525 DOI: 10.1002/jcb.28155] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 11/09/2018] [Indexed: 01/24/2023]
Abstract
Diabetic nephropathy (DN) is a major cause of end-stage renal disease. Although intense efforts have been made to elucidate the pathogenesis, the molecular mechanisms of DN remain to be clarified. To identify the candidate genes in the progression of DN, microarray datasets GSE30122, GSE30528, and GSE47183 were downloaded from the Gene Expression Omnibus database. The differentially expressed genes (DEGs) were identified, and function enrichment analyses were performed. The protein-protein interaction network was constructed and the module analysis was performed using the Search Tool for the Retrieval of Interacting Genes and Cytoscape. A total of 61 DEGs were identified. The enriched functions and pathways of the DEGs included glomerulus development, extracellular exosome, collagen binding, and the PI3K-Akt signaling pathway. Fifteen hub genes were identified and biological process analysis revealed that these genes were mainly enriched in acute inflammatory response, inflammatory response, and blood vessel development. Correlation analysis between unexplored hub genes and clinical features of DN suggested that COL6A3, MS4A6A,PLCE1, TNNC1, TNNI1, TNN2, and VSIG4 may involve in the progression of DN. In conclusion, DEGs and hub genes identified in this study may deepen our understanding of molecular mechanisms underlying the progression of DN, and provide candidate targets for diagnosis and treatment of DN.
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Affiliation(s)
- Mengru Zeng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jialu Liu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenxia Yang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shumin Zhang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fuyou Liu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zheng Dong
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University and Charlie Norwood VA Medical Center, Augusta, Georgia
| | - Youming Peng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lin Sun
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Li Xiao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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26
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Carias KV, Wevrick R. Clinical and genetic analysis of children with a dual diagnosis of Tourette syndrome and autism spectrum disorder. J Psychiatr Res 2019; 111:145-153. [PMID: 30771620 DOI: 10.1016/j.jpsychires.2019.01.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 12/17/2018] [Accepted: 01/29/2019] [Indexed: 01/09/2023]
Abstract
Gilles de la Tourette Syndrome (TS) is a neurodevelopmental disorder that causes children to make repeated, brief involuntary movements or sounds. TS can be co-morbid with other neurodevelopmental disorders, including autism spectrum disorder (ASD). Clusters of biologically related genes have been associated with neurodevelopmental disorders, suggesting shared pathologies. However, the genetic contribution to TS remains poorly defined. We asked whether children with both TS and ASD differed clinically from children with ASD alone, and identified potentially deleterious genetic events in children with TS and ASD. We compared clinical data from 119 children with ASD and TS to 2603 children with ASD, all from the Simons Simplex Collection. We performed gene set enrichment analysis on de novo genetic events in children with both TS and ASD to identify candidate genes and pathways, and compared these genes and pathways with those previously identified in TS. Children with TS and ASD were diagnosed at an older age, had higher IQ scores, and had more restricted and repetitive behavior than children with ASD but not TS. Gene Ontology analysis revealed that proteins important for specific biological pathways, including regulation of calcium ion-dependent exocytosis, basement membrane organization, and visual behavior and learning, and specific cellular pathways, including basal lamina and ciliary transition zone, are enriched among genes with de novo mutations in children with TS and ASD. Clinical and genetic analysis of cohorts of affected children can help to determine the underlying pathophysiology of TS and other neurodevelopmental disorders.
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Affiliation(s)
| | - Rachel Wevrick
- Department of Medical Genetics, University of Alberta, Edmonton, AB, Canada.
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27
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Costantini A, Valta H, Baratang NV, Yap P, Bertola DR, Yamamoto GL, Kim CA, Chen J, Wierenga KJ, Fanning EA, Escobar L, McWalter K, McLaughlin H, Willaert R, Begtrup A, Alm JJ, Reinhardt DP, Mäkitie O, Campeau PM. Novel fibronectin mutations and expansion of the phenotype in spondylometaphyseal dysplasia with "corner fractures". Bone 2019; 121:163-171. [PMID: 30599297 DOI: 10.1016/j.bone.2018.12.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 12/02/2018] [Accepted: 12/29/2018] [Indexed: 01/15/2023]
Abstract
Heterozygous pathogenic variants in the FN1 gene, encoding fibronectin (FN), have recently been shown to be associated with a skeletal disorder in some individuals affected by spondylometaphyseal dysplasia with "corner fractures" (SMD-CF). The most striking feature characterizing SMD-CF is irregularly shaped metaphyses giving the appearance of "corner fractures". An array of secondary features, including developmental coxa vara, ovoid vertebral bodies and severe scoliosis, may also be present. FN is an important extracellular matrix component for bone and cartilage development. Here we report five patients affected by this subtype of SMD-CF caused by five novel FN1 missense mutations: p.Cys123Tyr, p.Cys169Tyr, p.Cys213Tyr, p.Cys231Trp and p.Cys258Tyr. All individuals shared a substitution of a cysteine residue, disrupting disulfide bonds in the FN type-I assembly domains located in the N-terminal assembly region. The abnormal metaphyseal ossification and "corner fracture" appearances were the most remarkable clinical feature in these patients. In addition, generalized skeletal fragility with low-trauma bilateral femoral fractures was identified in one patient. Interestingly, the distal femoral changes in this patient healed with skeletal maturation. Our report expands the phenotypic and genetic spectrum of the FN1-related SMD-CF and emphasizes the importance of FN in bone formation and possibly also in the maintenance of bone strength.
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Affiliation(s)
- Alice Costantini
- Department of Molecular Medicine and Surgery and Center for Molecular Medicine, Karolinska Institutet, Stockholm 171 76, Sweden
| | - Helena Valta
- Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki 00290, Finland
| | - Nissan Vida Baratang
- CHU Sainte Justine Research Centre, University of Montreal, Montreal, QC H3T 1C5, Canada
| | - Patrick Yap
- Genetic Health Service New Zealand (Northern Hub), Auckland 1023, New Zealand
| | - Débora R Bertola
- Centro de Pesquisa sobre o Genoma Humano e Células-Tronco do Instituto de Biociências- Universidade de São Paulo, São Paulo, SP 05508-090, Brazil; Clinical Genetics Unit, Instituto da Criança do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP 05403-000, Brazil
| | - Guilherme L Yamamoto
- Centro de Pesquisa sobre o Genoma Humano e Células-Tronco do Instituto de Biociências- Universidade de São Paulo, São Paulo, SP 05508-090, Brazil; Clinical Genetics Unit, Instituto da Criança do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP 05403-000, Brazil
| | - Chong A Kim
- Clinical Genetics Unit, Instituto da Criança do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP 05403-000, Brazil
| | - Jiani Chen
- University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | | | - Elizabeth A Fanning
- University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; Division of Genomic Diagnostics, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Luis Escobar
- Payton Manning Children's Hospital at St. Vincent Health, Indianapolis, IN 46260, USA
| | | | | | | | - Amber Begtrup
- GeneDx, 207 Perry Parkway, Gaithersburg, MD 20877, USA
| | - Jessica J Alm
- Department of Molecular Medicine and Surgery and Center for Molecular Medicine, Karolinska Institutet, Stockholm 171 76, Sweden
| | - Dieter P Reinhardt
- Department of Anatomy and Cell Biology, and Faculty of Dentistry, McGill University, Montreal, QC H3A 0C7, Canada
| | - Outi Mäkitie
- Department of Molecular Medicine and Surgery and Center for Molecular Medicine, Karolinska Institutet, Stockholm 171 76, Sweden; Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki 00290, Finland; Department of Clinical Genetics, Karolinska University Hospital, Stockholm 171 76, Sweden; Folkhälsan Institute of Genetics, University of Helsinki, Helsinki 00290, Finland.
| | - Philippe M Campeau
- CHU Sainte Justine Research Centre and Department of Pediatrics, University of Montreal, Montreal, QC H3T 1C5, Canada.
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28
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Shen N, Chen N, Zhou X, Zhao B, Huang R, Liang J, Yang X, Chen M, Song Y, Du Q. Alterations of the gut microbiome and plasma proteome in Chinese patients with adolescent idiopathic scoliosis. Bone 2019; 120:364-370. [PMID: 30481617 DOI: 10.1016/j.bone.2018.11.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/19/2018] [Accepted: 11/24/2018] [Indexed: 10/27/2022]
Abstract
The etiology of adolescent idiopathic scoliosis (AIS), the most common rotational deformity of the spine, is still unclear. Emerging evidence suggests that gut microbiota dysbiosis influences musculoskeletal diseases such as arthritis and osteoporosis. However, the alterations of the fecal microbiome in AIS remain unknown. Thus, the current study was conducted to explore the gut microbiota compositions of Chinese AIS patients. Microbiota communities in the feces of 51 AIS patients and 34 age- and sex-matched healthy individuals were investigated using 16S rRNA sequencing. Meanwhile, the changes in the plasma proteome were detected using tandem mass tag (TMT) labeling coupled with liquid chromatography-mass spectrometry (LC-MS). The relationship between gut microbiota and AIS clinical characteristics as well as the correlation between gut microbiota and the changes in plasma proteins were analyzed. The structure of the gut microbiota differed between the AIS and healthy groups, however, the richness was similar. The genera Prevotella, Gelria, and Desulfovibrio were enriched in the feces of AIS patients. In contrast, the abundance of Parasutterella, Tyzzerella, and Phascolarctobacterium was decreased in the AIS group. More remarkably, a positive correlation between the abundance of the fecal genera Prevotella and the Cobb angles of the AIS patients was observed. Moreover, the major differential plasma proteins related to AIS were Fibronectin 1 (FN1), voltage-dependent anion channel 1 (VDAC1), Ras homolog family member A (RHOA), and AHNAK nucleoprotein (AHNAK). Additionally, the positive correlations between fecal Prevotella and the expression of host plasma FN1 as well as the negative relationships between fecal Prevotella and the expression of host VDAC1 and AHNAK were confirmed. Elucidating these differences in the gut microbiota will provide a foundation to improve our understanding of the pathogenesis of AIS and to support potential therapeutic options based on modifying the gut microbiota.
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Affiliation(s)
- Nan Shen
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Nan Chen
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China; Department of Rehabilitation, Xinhua Hospital (Chongming Branch), Shanghai Jiao Tong University School of Medicine, Shanghai 202150, China; School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Xuan Zhou
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Bing Zhao
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Renxiu Huang
- Department of Rehabilitation, Liuzhou Maternal and Child Healthcare Hospital, Liuzhou, Guangxi 545001, China
| | - Juping Liang
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Xiaoyan Yang
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Meijia Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Yuanyuan Song
- Department of Rehabilitation, Xinhua Hospital (Chongming Branch), Shanghai Jiao Tong University School of Medicine, Shanghai 202150, China
| | - Qing Du
- Department of Rehabilitation, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China; Department of Rehabilitation, Xinhua Hospital (Chongming Branch), Shanghai Jiao Tong University School of Medicine, Shanghai 202150, China.
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29
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Cadoff EB, Sheffer R, Wientroub S, Ovadia D, Meiner V, Schwarzbauer JE. Mechanistic insights into the cellular effects of a novel FN1 variant associated with a spondylometaphyseal dysplasia. Clin Genet 2018; 94:429-437. [PMID: 30051459 DOI: 10.1111/cge.13424] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/30/2018] [Accepted: 07/24/2018] [Indexed: 10/28/2022]
Abstract
Spondylometaphyseal dysplasia (SMD) is characterized by developmental changes in long bones and vertebrae. It has large phenotypic diversity and multiple genetic causes, including a recent link to novel variants in the extracellular matrix (ECM) protein fibronectin (FN), a regulator of ECM assembly and key link between the ECM and proper cell function. We identified a patient with a unique SMD, similar to SMD with corner fractures. The patient has been followed over 19 years and presents with short stature, genu varum, kyphoscoliosis, and pectus carinatum. Radiography shows metaphyseal changes that resolved over time, vertebral changes, and capitular avascular necrosis. Whole exome sequencing identified a novel heterozygous FN1 variant (p.Cys97Trp). Using mass spectroscopy, mutant FN was detected in plasma and in culture medium of primary dermal fibroblasts isolated from the patient, but mutant protein was much less abundant than wild-type FN. Immunofluorescence and immunoblotting analyses show that mutant fibroblasts assemble significantly lower amounts of FN matrix than wild-type cells, and mutant FN was preferentially retained within the endoplasmic reticulum. This work highlights the importance of FN in skeletal development, and its potential role in the pathogenesis of a subtype of SMD.
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Affiliation(s)
- E B Cadoff
- Department of Molecular Biology, Princeton University, Princeton, New Jersey
| | - R Sheffer
- Department of Genetics and Metabolic Disorders, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - S Wientroub
- Department of Pediatric Orthopedics, Dana-Dwek Children's Hospital, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - D Ovadia
- Department of Pediatric Orthopedics, Dana-Dwek Children's Hospital, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - V Meiner
- Department of Genetics and Metabolic Disorders, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - J E Schwarzbauer
- Department of Molecular Biology, Princeton University, Princeton, New Jersey
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30
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Abstract
PURPOSE OF REVIEW Genome-wide approaches including genome-wide association studies as well as exome and genome sequencing represent powerful new approaches that have improved our ability to identify genetic causes of human disorders. The purpose of this review is to describe recent advances in the genetic causes of short stature. RECENT FINDINGS In addition to SHOX deficiency which is one of the most common causes of isolated short stature, PAPPA2, ACAN, NPPC, NPR2, PTPN11 (and other rasopathies), FBN1, IHH and BMP2 have been identified in isolated growth disorders with or without other mild skeletal findings. In addition, novel genetic causes of syndromic short stature have been discovered, including pathogenic variants in BRCA1, DONSON, AMMECR1, NFIX, SLC25A24, and FN1. SUMMARY Isolated growth disorders are often monogenic. Specific genetic causes typically have specific biochemical and/or phenotype characteristics which are diagnostically helpful. Identification of additional subjects with a specific genetic cause of short stature often leads to a broadening of the known clinical spectrum for that condition. The identification of novel genetic causes of short stature has provided important insights into the underlying molecular mechanisms of growth failure.
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31
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Abstract
PURPOSE OF REVIEW In recent years, the lower costs of arrays and sequencing technologies, and the better availability of data from genome-wide association studies (GWASs) have led to more reports on genetic factors that are associated with bone health. However, there remains the need for a summary of the newly identified genetic targets that are associated with bone metabolism, and the status of their functional characterization. RECENT FINDINGS GWASs revealed dozens of novel genetic loci that are associated with bone mineral density (BMD). Some of these targets have been functionally characterized, although the vast majority have not. Glypican 6, a membrane surface proteoglycan involved in cellular growth control and differentiation, was identified as a novel determinant of BMD and represents a possible drug target for treatment of osteoporosis. Pathway analysis also showed that cell-growth pathways and the SMAD proteins associated with low BMD. SUMMARY Hits that were significantly associated with BMD in different studies represent likely candidates (e.g. SOST, WNT16, ESR1 and RANKL) for functional characterization and development of osteoporosis treatments. Indeed, currently available treatment for osteoporosis (antibody against RANKL) appeared a significant target in four recent GWAS studies indicating their applicability and importance for future treatment development.
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Affiliation(s)
- Nika Lovšin
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
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32
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Martinelli S, Krumbach OH, Pantaleoni F, Coppola S, Amin E, Pannone L, Nouri K, Farina L, Dvorsky R, Lepri F, Buchholzer M, Konopatzki R, Walsh L, Payne K, Pierpont ME, Vergano SS, Langley KG, Larsen D, Farwell KD, Tang S, Mroske C, Gallotta I, Di Schiavi E, della Monica M, Lugli L, Rossi C, Seri M, Cocchi G, Henderson L, Baskin B, Alders M, Mendoza-Londono R, Dupuis L, Nickerson DA, Chong JX, Meeks N, Brown K, Causey T, Cho MT, Demuth S, Digilio MC, Gelb BD, Bamshad MJ, Zenker M, Ahmadian MR, Hennekam RC, Tartaglia M, Mirzaa GM, Mirzaa GM. Functional Dysregulation of CDC42 Causes Diverse Developmental Phenotypes. Am J Hum Genet 2018; 102:309-320. [PMID: 29394990 DOI: 10.1016/j.ajhg.2017.12.015] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 12/18/2017] [Indexed: 12/13/2022] Open
Abstract
Exome sequencing has markedly enhanced the discovery of genes implicated in Mendelian disorders, particularly for individuals in whom a known clinical entity could not be assigned. This has led to the recognition that phenotypic heterogeneity resulting from allelic mutations occurs more commonly than previously appreciated. Here, we report that missense variants in CDC42, a gene encoding a small GTPase functioning as an intracellular signaling node, underlie a clinically heterogeneous group of phenotypes characterized by variable growth dysregulation, facial dysmorphism, and neurodevelopmental, immunological, and hematological anomalies, including a phenotype resembling Noonan syndrome, a developmental disorder caused by dysregulated RAS signaling. In silico, in vitro, and in vivo analyses demonstrate that mutations variably perturb CDC42 function by altering the switch between the active and inactive states of the GTPase and/or affecting CDC42 interaction with effectors, and differentially disturb cellular and developmental processes. These findings reveal the remarkably variable impact that dominantly acting CDC42 mutations have on cell function and development, creating challenges in syndrome definition, and exemplify the importance of functional profiling for syndrome recognition and delineation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Ghayda M Mirzaa
- Department of Pediatrics, University of Washington, Seattle, WA 98195, USA; Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, WA 98101, USA.
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